rhenium tungsten technology

Effect of heat treatment on thermoelectric properties of tungsten …

95% tungsten - 5% rhenium (W-5Re) and 74% tungsten - 26% rhenium (W-26Re) were sputtered as the positive film and negative film of TFTCs on the silicon carbide ceramic substrate. The hot junction, which determined the thermal load, was made by the superposition film of W-5Re film and W-26Re film. The cold junction is at the end …

Welcome to Rhenium Alloys, Inc.

Rhenium Alloys, Inc. is a leading manufacturer of refractory metals and high temperature products, located near Cleveland, Ohio. We bring technology and engineering together to provide innovative solutions to customers in a wide range of industrial, government, and high-tech applications. Committed to continuous improvement in product quality ...

Microstructure and Properties of Tungsten Rhenium …

Abstract. Tungsten alloy with addition of rhenium and tantalum was prepared by laser sintering. Microstructure and properties of the samples were tested by optical microscope, X-ray difractometer ...

Microstructure and Properties of Tungsten Rhenium …

Engineering. Materials Engineering. laser sintering. Article PDF Available. Microstructure and Properties of Tungsten Rhenium Alloy Prepared by Laser Sintering. …

Review: Rhenium and its smelting and recycling …

In this article, the recent situation of rhenium and its compounds are reviewed, especially with respect to their demand, distribution characteristics, smelting, …

Horizontal Oxidation Diffusion Behavior of MEMS-Based Tungsten-Rhenium …

A tungsten-rhenium TFTC with a SiC protective film on all parts except the pads was fabricated by the MEMS process, and initial package and testing were performed. ... Jiang Z. Measurement study of residual stress on tungsten-rhenium thin film thermocouples by nanoindentation technology; Proceedings of the 2017 IEEE 12th International ...

Unveiling the intrinsic rhenium effect in Tungsten

Our discovery of the solution softening-to-hardening transition, including its dislocation mechanism, clarifies the intrinsic effect of Re on the toughness of …

Horizontal Oxidation Diffusion Behavior of MEMS …

Tungsten-rhenium thin film thermocouples (TFTCs) are well suited for the surface temperature monitoring of hot components due to their small size, rapid response and low cost. In this study, a tungsten …

Tungsten-Rhenium Alloy (WRe26)

Moreover, tungsten-rhenium has a higher recrystallization temperature and better creep resistance. This material data has been provided by Plansee. "Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy ...

Simulation, fabrication, and characteristics of high …

In this study, a tungsten–rhenium thin-film thermocouples (TFTCs) is fabricated via magnetron sputtering on silicon carbide ceramics. Cuboid TFTCs probe is sealed with stainless steel shell to make the TFTCs probe sensor. This sensor has an average Seebeck coefficient of 27.2 µV °C−1 at 1167 °C (temperature difference). The …

Review: Rhenium and its smelting and recycling technologies

Abstract. Rhenium is utilized as an additive to improve the high-temperature strength and stability of materials, such as nickel-based superalloys, which are employed in jet engine turbine blades, alloys for ultrahigh-temperature thermocouples, and platinum catalysts, which are used in oil refining. Currently, around 80% of rhenium demand is ...

Beijing Tungsten&Molybdenum Group Co., LTD

Beijing Tungsten&Molybdenum Group Co.,LTD (short for BTM Group) is the leading manufacturer in the world specialized in products made of tungsten, molybdenum, rhenium, tantalum and niobium. we possess …

Tungsten-Rhenium Thermocouples | BASF Catalysts

Tungsten-Rhenium thermocouple assemblies produced and developed by BASF permit ultra-high temperature measurements far in excess of conventional ISA standard letter designated thermocouples. BASF Catalysts. ... Innovative, step-change technology with dual-purpose performance: removal of heavy hydrocarbons and water to cryogenic …

TUNGSTEN 25 RHENIUM | Alloy Digest | ASM Digital Library

Abstract. Tungsten rhenium wire is used for heating elements in high-temperature furnaces and thermocouples and in electronics. Its advantage is its ability to maintain greater ductility than tungsten maintains, after exposure to extremely high temperatures. This datasheet provides information on composition, physical properties, …

(PDF) Effect of Rhenium addition on tungsten heavy alloys …

abstract. In this study, Rhenium is added to traditional (W-Ni-Fe) Tungsten heavy alloys keeping the ratio of Ni:Fe. as 7:3 constant and varying the proportions of W and Re. The alloys were ...

Simulation, fabrication, and characteristics of high

However, original tungsten–rhenium TFTCs lack good response characteristics and need to be improved. The dynamic response of tungsten–rhenium TFTCs is affected by a transient heat-transfer issue. In numerous cases, the measured temperature varies over time, and the rate of change may be relatively high.

Products and Technology_Products and Technology_China Rhenium …

Products and Technology-China Rhenium Co.,Ltd-. Welcome to the official website of China Rhenium Co.,Ltd. China Rhenium,been rhenium factory forever. ... Photovoltaic tungsten wire Diameter: 0.033-0.034 mm single root length: > 100 km strength: 5900-6100 mpa strength uniformity: ± 1% abnormal peak uniformity: ± 2% ...

China Tungsten Manufacturer, Molybdenum, Rhenium …

Weihai Multicrystal Tungsten & Molybdenum Technologies Co., Ltd is an integrated high-tech company on R&D, production as well as sales. With strong support of top experts team and the application of the leading innovative technologies, we produce tungsten, molybdenum, rhenium-based materials and a series of products, including pure …

Solution and diffusion of hydrogen isotopes in tungsten-rhenium alloy

The presence of rhenium in tungsten raises the solution energy and the real normal modes of vibration on the ground state and the transition state, compared to hydrogen in pure tungsten. ... Tungsten: Properties, Chemistry, Technology of the Element, Alloys, and Chemical Compounds. Springer, Berlin (2011) Google Scholar [49]

Measurement study of residual stress on tungsten …

In this paper, Nano-indentation technology is used to test the mechanical property of the tungsten-rhenium thin film, including hardness, elastic modulus and re Measurement …

Study on high-temperature mechanical properties of W25Re …

Due to the high price of rhenium, tungsten rhenium alloy is generally made into wire. The general processing method involves vertical melting, bar rotary forging, and wire drawing, but there is less research on the processing technology and performance of large-scale high-performance structural parts.

Solution and diffusion of hydrogen isotopes in tungsten-rhenium …

Hydrogen solution in tungsten (W) under different temperatures and strains: a first principles calculation study. In this paper, H solution behaviors are systematically studied under varied external tensile/compressive strains in bcc W using first-principles calculations. The results show that the H solution….

Synthesis of Rhenium–Scandia doped tungsten …

Rhenium and scandium oxide doped tungsten nanoparticles mixed with active materials have been synthesized by chemical route using sol–gel method. …

Rhenium Alloys: White papers and technical literature

Rhenium Alloys Inc. (RAI) was introduced to the friction stir welding (FSW) process by The Welding Institute (TWI) in early 1999 with the application of FSW of commercially pure titanium. At that time, RAI only produced tungsten 25% Rhenium (W25%Re) wire at (0.25 -0.5 mm) diameter for type C and D thermocouple wire.

Microstructure and Properties of Tungsten Rhenium Alloy …

Learn how laser sintering can produce tungsten rhenium alloy with improved mechanical and thermal properties in this research paper by Shan Jiang. Download the full-text PDF for free on ResearchGate.

Measurement study of residual stress on tungsten-rhenium …

Nano-indentation technology is used to test the mechanical property of the tungsten-rhenium thin film, including hardness, elastic modulus and residual stress, and under different substrates, the hardness and elasticModulus of film on zirconium oxide ceramic is the most sensitive to heat treatment temperature. In this paper, Nano-indentation …

Reduction, sintering and mechanical properties of rhenium-tungsten …

Preparation, Mechanical Properties and Strengthening Mechanism of W-Re Alloys: A Review. W-Re alloys are one of the most important refractory materials with excellent high-temperature performance that were developed to improve the brittleness of tungsten. In the present work, we firstly….

Near-net-shape Tungsten-Rhenium Alloy Parts Produced by …

Hunan Provincial Key Defense Laboratory of High Temperature Wear-resisting Materials and Preparation Technology, Hunan University of Science and Technology, Xiangtan 411201, Hunan China ... PARK J J. Creep strength of a tungsten-rhenium-hafnium carbide alloy from 2200 to 2400 K [J]. Materials Science and Engineering A, 1999,265(1/2): 174 …

A tungsten-rhenium interatomic potential for point defect …

A tungsten-rhenium (W-Re) classical interatomic potential is developed within the embedded atom method interaction framework. A force-matching method is employed to fit the potential to ab initio forces, energies, and stresses. Simulated annealing is combined with the conjugate gradient technique to search for an optimum potential …

Strengthening of tungsten by coherent rhenium …

Experimental data show that the accumulation of rhenium and osmium from transmutation reactions severely afect the microstructural evolution and property degradation of tungsten-based materials under neutron irradiation. Theory and mod-eling have confirmed that Re atom transport in W is by irradiation-produced migrating self-interstitial atoms.

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